diff --git a/Network/NetworkMessage.cpp b/Network/NetworkMessage.cpp
index 5af133c7f..a1e7050f2 100644
--- a/Network/NetworkMessage.cpp
+++ b/Network/NetworkMessage.cpp
@@ -28,13 +28,13 @@ namespace NetworkMessage
       {
         setVersion (QDataStream::Qt_5_0); // Qt schema version
       }
-#if QT_VERSION >= 0x050200
+#if QT_VERSION >= QT_VERSION_CHECK (5, 2, 0)
     else if (schema <= 2)
       {
         setVersion (QDataStream::Qt_5_2); // Qt schema version
       }
 #endif
-#if QT_VERSION >= 0x050400
+#if QT_VERSION >= QT_VERSION_CHECK (5, 4, 0)
     else if (schema <= 3)
       {
         setVersion (QDataStream::Qt_5_4); // Qt schema version
@@ -73,13 +73,13 @@ namespace NetworkMessage
         {
           parent->setVersion (QDataStream::Qt_5_0);
         }
-#if QT_VERSION >= 0x050200
+#if QT_VERSION >= QT_VERSION_CHECK (5, 2, 0)
       else if (schema_ <= 2)
         {
           parent->setVersion (QDataStream::Qt_5_2);
         }
 #endif
-#if QT_VERSION >= 0x050400
+#if QT_VERSION >= QT_VERSION_CHECK (5, 4, 0)
       else if (schema_ <= 3)
         {
           parent->setVersion (QDataStream::Qt_5_4);
diff --git a/Network/NetworkMessage.hpp b/Network/NetworkMessage.hpp
index c484efb23..f892eda06 100644
--- a/Network/NetworkMessage.hpp
+++ b/Network/NetworkMessage.hpp
@@ -540,9 +540,9 @@ namespace NetworkMessage
 
     // increment this if a newer Qt schema is required and add decode
     // logic to the Builder and Reader class implementations
-#if QT_VERSION >= 0x050400
+#if QT_VERSION >= QT_VERSION_CHECK (5, 4, 0)
     static quint32 constexpr schema_number {3};
-#elif QT_VERSION >= 0x050200
+#elif QT_VERSION >= QT_VERSION_CHECK (5, 2, 0)
     static quint32 constexpr schema_number {2};
 #else
     // Schema 1 (Qt_5_0) is broken
diff --git a/UDPExamples/UDPDaemon.cpp b/UDPExamples/UDPDaemon.cpp
index 6d98b3a6b..78d1a0c52 100644
--- a/UDPExamples/UDPDaemon.cpp
+++ b/UDPExamples/UDPDaemon.cpp
@@ -169,7 +169,7 @@ public:
     connect (server_, &MessageServer::client_opened, this, &Server::add_client);
     connect (server_, &MessageServer::client_closed, this, &Server::remove_client);
 
-#if QT_VERSION >= 0x051400
+#if QT_VERSION >= QT_VERSION_CHECK (5, 14, 0)
     server_->start (port, multicast_group, QSet<QString> {network_interface_names.begin (), network_interface_names.end ()});
 #else
     server_->start (port, multicast_group, network_interface_names.toSet ());
diff --git a/qt_helpers.hpp b/qt_helpers.hpp
index 034a8852f..416b6421b 100644
--- a/qt_helpers.hpp
+++ b/qt_helpers.hpp
@@ -120,7 +120,7 @@ namespace std
 inline
 bool is_broadcast_address (QHostAddress const& host_addr)
 {
-#if QT_VERSION >= 0x051100
+#if QT_VERSION >= QT_VERSION_CHECK (5, 11, 0)
   return host_addr.isBroadcast ();
 #else
   bool ok;
@@ -131,7 +131,7 @@ bool is_broadcast_address (QHostAddress const& host_addr)
 inline
 bool is_multicast_address (QHostAddress const& host_addr)
 {
-#if QT_VERSION >= 0x050600
+#if QT_VERSION >= QT_VERSION_CHECK (5, 6, 0)
   return host_addr.isMulticast ();
 #else
   bool ok;